Company research
Graphene & Solar Technologies Ltd
CIK 1497649Updated Sep 26, 2026
SecurityGSTX · OTC · equity
Name history
Solar Quartz Technologies Corp · through Jan 23, 2019Vanguard Energy Corp · through Jul 13, 2017
GSTX price & chart
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OTC:GSTX on TradingView ↗About the company
Graphene & Solar Technologies Limited includes majority- and wholly owned companies operating under the Quartz & Silicon Materials (“QSM”) brand. The group is developing an integrated supply chain for solar and silicon materials, with operations and planned projects in the United States, Australia, New Zealand and Europe. QSM USA is focused on supporting domestic solar manufacturing through the development of silicon wafer and related manufacturing capacity in the United States. GSTX is headquartered in Phoenix, Arizona, and its common stock is quoted on the OTCQB Venture Market under the symbol “GSTX.”
In the news
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Recent filings
Other Events
Items 8.01, 9.01
Other Events
Items 8.01, 9.01
10-Q filing
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Other Events
Items 5.02, 8.01, 9.01
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements
Items 5.02
Show 5 more recent filings
Entry into a Material Definitive Agreement · Other Events
Items 1.01, 8.01, 9.01
10-Q filing
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements
Items 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements
Items 5.02
10-Q filing
Financials
FY 2025 · USDSource
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balance sheet · annual statements
| Line item | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|
| ASSETS | ||||
| AssetsUSD | 313,046Source | 306,713Source | 18,130Source | 18,382Source |
| Property, Plant and Equipment, NetUSD | 19,465Source | 26,262Source | 937Source | 1,273Source |
| Current assets: | ||||
| Cash and Cash Equivalents, at Carrying ValueUSD | 57,365Source | 1,845Source | 1,094Source | 2,857Source |
| Assets, CurrentUSD | 68,720Source | 13,768Source | 12,202Source | 14,040Source |
| Operating Lease, Right-of-Use AssetUSD | 107,024Source | 160,615Source | — | — |
| LIABILITIES AND EQUITY | ||||
| LiabilitiesUSD | 4,869,739Source | 3,143,686Source | 4,997,159Source | 4,061,574Source |
| Stockholders’ equity: | ||||
| Common Stock, Value, IssuedUSD | 7,262Source | 5,698Source | 4,219Source | 3,748Source |
| Additional Paid in CapitalUSD | 69,708,061Source | 68,769,472Source | 63,883,853Source | 63,527,513Source |
| Retained Earnings (Accumulated Deficit)USD | -74,320,226Source | -71,015,630Source | -68,375,078Source | -67,070,016Source |
| Accumulated Other Comprehensive Income (Loss), Net of TaxUSD | 239,991Source | 198,672Source | 302,977Source | 290,563Source |
| Stockholders' Equity Attributable to ParentUSD | — | — | -4,979,029Source | -4,043,192Source |
| Liabilities and EquityUSD | 313,046Source | 306,713Source | 18,130Source | 18,382Source |
| Current liabilities: | ||||
| Liabilities, CurrentUSD | 4,817,878Source | 3,026,409Source | 4,997,159Source | 4,061,574Source |
| Operating Lease, Liability, CurrentUSD | 59,834Source | 46,968Source | — | — |
| Operating Lease, Liability, NoncurrentUSD | 51,861Source | 117,277Source | — | — |
| Stockholders' Equity Attributable to Noncontrolling InterestUSD | -3,416Source | -185Source | — | — |
cash flow · annual statements
| Line item | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|
| Cash flows from operating activities: | ||||
| Net Income (Loss), Including Portion Attributable to Noncontrolling InterestUSD | -3,307,205Source | -2,640,737Source | — | — |
| Adjustments to reconcile net income to net cash provided by operating activities: | ||||
| Changes in operating assets and liabilities: | ||||
| Increase (Decrease) in Accounts PayableUSD | 606,942Source | 408,012Source | 227,007Source | 238,554Source |
| Net Cash Provided by (Used in) Operating ActivitiesUSD | -429,796Source | -96,029Source | -72,180Source | -43,823Source |
| Cash flows from investing activities: | ||||
| Net Cash Provided by (Used in) Investing ActivitiesUSD | 79,225Source | 319Source | — | — |
| Cash flows from financing activities: | ||||
| Net Cash Provided by (Used in) Financing ActivitiesUSD | 404,112Source | 117,857Source | 71,713Source | 46,921Source |
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate EffectUSD | 55,520Source | 751Source | -1,763Source | -871Source |
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash EquivalentsUSD | 57,365Source | 1,845Source | — | 2,857Source |
| Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash EquivalentsUSD | 1,979Source | -21,396Source | -1,296Source | -3,969Source |
| Additional Financial Items | ||||
| Share-based Payment Arrangement, ExpenseUSD | 390,819Source | 296,675Source | 291,600Source | 13,207,981Source |
| Amortization of Intangible AssetsUSD | — | — | — | 982,821Source |
| DepreciationUSD | 4,352Source | 338Source | 338Source | 829Source |
| Gain (Loss) on Extinguishment of DebtUSD | -202Source | -1,700Source | — | — |
| General and Administrative ExpenseUSD | 158,170Source | 93,923Source | 176,869Source | 1,109,221Source |
| Income (Loss) from Continuing Operations, Net of Tax, Attributable to ParentUSD | — | — | -1,273,106Source | — |
| Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling InterestUSD | -3,307,205Source | -2,537,429Source | — | — |
| Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling InterestUSD | — | -103,308Source | — | — |
| InterestExpenseNonoperatingUSD | 187,965Source | — | — | — |
| Net Income (Loss) Attributable to ParentUSD | -3,304,596Source | -2,640,552Source | -1,305,062Source | -21,019,376Source |
| Net Income (Loss) Attributable to Noncontrolling InterestUSD | -2,609Source | -185Source | — | — |
| Net Income (Loss) Available to Common Stockholders, BasicUSD | -3,263,277Source | -2,744,857Source | -1,292,648Source | -20,836,715Source |
| Nonoperating Income (Expense)USD | -241,981Source | — | — | — |
| Operating ExpensesUSD | 3,065,224Source | 2,560,850Source | 1,273,106Source | 15,021,841Source |
| Operating Lease, Impairment LossUSD | — | — | — | 5,794,603Source |
| Other Nonoperating Income (Expense)USD | -53,814Source | 23,421Source | -31,956Source | -5,997,535Source |
| Proceeds from Issuance of Common StockUSD | 10,040Source | 7,000Source | — | 46,921Source |
income statement · annual statements
| Line item | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|
| Operating Income (Loss)USD | -3,065,224Source | -2,560,850Source | — | -15,021,841Source |
| Other Nonoperating Income (Expense)USD | -53,814Source | 23,421Source | -31,956Source | -5,997,535Source |
| Net Income (Loss) Attributable to Noncontrolling InterestUSD | -2,609Source | -185Source | — | — |
| Net Income (Loss) Attributable to ParentUSD | -3,304,596Source | -2,640,552Source | -1,305,062Source | -21,019,376Source |
| Earnings Per Share, BasicUSD per share | 0Source | — | — | — |
| Earnings Per Share, DilutedUSD per share | 0Source | -0.01Source | — | — |
| Weighted Average Number of Shares Outstanding, Basicshares | 667,059,931Source | 454,398,726Source | — | — |
| Weighted Average Number of Shares Outstanding, Dilutedshares | 667,059,931Source | 454,398,726Source | — | — |
| Interest Expense (non-operating)USD | 187,965Source | — | — | — |
| Additional Financial Items | ||||
| Amortization of Intangible AssetsUSD | — | — | — | 982,821Source |
| General and Administrative ExpenseUSD | 158,170Source | 93,923Source | 176,869Source | 1,109,221Source |
| Income (Loss) Attributable to Parent, before TaxUSD | -2,913,777Source | — | — | — |
| Income (Loss) from Continuing Operations, Net of Tax, Attributable to ParentUSD | — | — | -1,273,106Source | — |
| Income (Loss) from Continuing Operations before Income Taxes, DomesticUSD | -2,913,777Source | -1,587,857Source | -1,013,462Source | -7,797,452Source |
| Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling InterestUSD | -3,307,205Source | -2,537,429Source | — | — |
| Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling InterestUSD | — | -103,308Source | — | — |
| Interest ExpenseUSD | — | 50,076Source | 23,249Source | 35,262Source |
| Net Income (Loss) Available to Common Stockholders, BasicUSD | -3,263,277Source | -2,744,857Source | -1,292,648Source | -20,836,715Source |
| Nonoperating Income (Expense)USD | -241,981Source | — | — | — |
| Operating ExpensesUSD | 3,065,224Source | 2,560,850Source | 1,273,106Source | 15,021,841Source |
| Other IncomeUSD | — | 56,216Source | — | — |
Filing attachments
ex99_1.htm · 8-K · 2026-09-25
Exhibit 99.1 GSTX Subsidiary Approved for Approximately $15 Million California Sales and Use Tax Exclusion PHOENIX, Ariz., September 21, 2026 -- Graphene & Solar Technologies Limited (OTCQB: GSTX) (“GSTX”) today announced that its U.S. manufacturing subsidiary, The Quartz & Silicon Materials Company Limited (“QSM USA”), has been approved by the California Alternative Energy and Advanced Transportation Financing Authority (“CAEATFA”) for a Sales and Use Tax Exclusion (“STE”) of up to $14,999,83…
Read attachment ↗ex99_1.htm · 8-K · 2026-09-17
EX-99.1 2 ex99_1.htm GSTX ANNOUNCES UPLISTING TO OTCQB VENTURE MARKET Exhibit 99.1 GSTX Announces Uplisting to OTCQB Venture Market PHOENIX, Ariz., [September 16, 2026] -- Graphene & Solar Technologies Limited (OTCQB: GSTX) (“GSTX”) today announced that its common stock has been approved for trading on the OTCQB ® Venture Market, with trading having commenced on September 15, 2026, under its existing ticker symbol, “GSTX.” The uplisting follows OTC Markets Group’s approval of GSTX’s appli…
Read attachment ↗